66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/*************************************************************************
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> File Name: clinet.c
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> Author: TianLun Song
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> Mail: songtianlun@frytea.com
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> Blog: https://blog.frytea.com
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> Created Time: Wed 13 Jan 2021 09:26:49 AM CST
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************************************************************************/
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#include <stdlib.h>
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#include <stdio.h>
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#include <stddef.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#define MAXLINE 80
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char *client_path = "client.socket";
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char *server_path = "server.socket";
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int main() {
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struct sockaddr_un cliun, serun;
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int len;
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char buf[100];
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int sockfd, n;
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if ((sockfd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0){
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perror("client socket error");
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exit(1);
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}
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// 一般显式调用bind函数，以便服务器区分不同客户端
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memset(&cliun, 0, sizeof(cliun));
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cliun.sun_family = AF_UNIX;
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strcpy(cliun.sun_path, client_path);
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len = offsetof(struct sockaddr_un, sun_path) + strlen(cliun.sun_path);
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unlink(cliun.sun_path);
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if (bind(sockfd, (struct sockaddr *)&cliun, len) < 0) {
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perror("bind error");
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exit(1);
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}
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memset(&serun, 0, sizeof(serun));
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serun.sun_family = AF_UNIX;
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strcpy(serun.sun_path, server_path);
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len = offsetof(struct sockaddr_un, sun_path) + strlen(serun.sun_path);
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if (connect(sockfd, (struct sockaddr *)&serun, len) < 0){
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perror("connect error");
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exit(1);
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}
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while(fgets(buf, MAXLINE, stdin) != NULL) {
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write(sockfd, buf, strlen(buf));
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n = read(sockfd, buf, MAXLINE);
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if ( n < 0 ) {
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printf("the other side has been closed.\n");
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}else {
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write(STDOUT_FILENO, buf, n);
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}
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}
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close(sockfd);
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return 0;
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}
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